Add 72/90 and 24/40
72/90 + 24/40 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
72/90 = 72 × 4/90 × 4 = 288/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
24/40 = 24 × 9/40 × 9 = 216/360 - Add the two like fractions:
288/360 + 216/360 = 288 + 216/360 = 504/360 - 504/360 simplified gives 7/5
- So, 72/90 + 24/40 = 7/5
In mixed form: 12/5
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